no firmware found error

[Kashyapkoshti]

https://github.com/loboris/ESP8266_AT_LoBo/blob/master/bin/upgrade/esp8266_AT_1_2.bin
and the right addresses for 1 MB flash: boot_v1.7.bin on 0x0; esp8266_AT_1_2.bin on 0x01000; esp_init_data_default.bin on 0xfc000 and blank.bin on 0x7e000 and 0xfe000

i flashed bootloader.bin file from bin because there is no boot v1.7 and all address are shown above.

and i got this error message in serial monitor

wdt reset
load 0x40108000, len 3056, room 16
tail 0
chksum 0xd7
load 0x3fffb000, len 992, room 8
tail 8
chksum 0xd7
csum 0xd7⸮

LoBo ESP8266 Bootloader v1.2.0

Flash map: 4, 4MB (512+512)
Flash mode: DIO
Reset reason: POWER_ON

No configured firmware found, check all...
Address: 001000
Wrong flash mode
Address: 081000
No firmware
Address: 101000
Wrong flash mode
Address: 181000
No firmware
Address: 201000
Wrong flash mode
Address: 281000
No firmware
Address: 301000
Wrong flash mode
Address: 381000
No firmware
FATAL ERROR, no firmware found

please help me